Law Offices of Frederick J. Brynn, P.C. You are here Home > Lawyers-Abogados > Car Accident Lawyers-Abogado Accidente de Auto > Law Offices of Frederick J. Brynn, P.C. If you or a family member becomes victimized through another motorist Total Page Visits: 435 - Today Page Visits: 1 Tweet Our address Address: 922 Pennsylvania Avenue SE Washington, DC 20003 Telephone: 877-721-7910 Mention you called from Alex Directory and you may receive special discounts